From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f50.google.com (mail-qa0-f50.google.com [209.85.216.50]) by kanga.kvack.org (Postfix) with ESMTP id AE8CB6B0037 for ; Thu, 5 Dec 2013 18:53:40 -0500 (EST) Received: by mail-qa0-f50.google.com with SMTP id i13so82043qae.9 for ; Thu, 05 Dec 2013 15:53:40 -0800 (PST) Received: from mail-yh0-x22f.google.com (mail-yh0-x22f.google.com [2607:f8b0:4002:c01::22f]) by mx.google.com with ESMTPS id s9si45728472qak.81.2013.12.05.15.53.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 05 Dec 2013 15:53:39 -0800 (PST) Received: by mail-yh0-f47.google.com with SMTP id 29so13299552yhl.34 for ; Thu, 05 Dec 2013 15:53:39 -0800 (PST) Date: Thu, 5 Dec 2013 15:53:35 -0800 (PST) From: David Rientjes Subject: Re: [patch 3/8] mm, mempolicy: remove per-process flag In-Reply-To: <00000142c426b81a-45e6815b-bde4-483c-975e-ce1eea42a753-000000@email.amazonses.com> Message-ID: References: <20131119131400.GC20655@dhcp22.suse.cz> <20131119134007.GD20655@dhcp22.suse.cz> <20131120152251.GA18809@dhcp22.suse.cz> <20131128115458.GK2761@dhcp22.suse.cz> <00000142be3633ba-2a459537-58fb-444b-a99f-33ff5e5b2aed-000000@email.amazonses.com> <00000142c426b81a-45e6815b-bde4-483c-975e-ce1eea42a753-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Andrew Morton , Michal Hocko , KAMEZAWA Hiroyuki , Johannes Weiner , Mel Gorman , Rik van Riel , Pekka Enberg , linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org On Thu, 5 Dec 2013, Christoph Lameter wrote: > Specjbb? What does Java have to do with this? > Can you run the synthetic in kernel slab benchmark. > > Like this one https://lkml.org/lkml/2009/10/13/459 > We actually carry that in our production kernel and have updated it to build on 3.11, I'll run it and netperf TCP_RR as well, thanks. > However, SLAB is still the allocator in use for RHEL which puts some > importance on still supporting SLAB. > Google also uses it exclusively so I'm definitely not saying that since it's not default that we can ignore it. I haven't seen any performance regression in removing it, but I'll post the numbers on the slab benchmark and netperf TCP_RR when I have them. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org